Popcorn popper



FIG. 1 is a top perspective view of a popcorn popper showing our new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in FIGS. 1, 2, 4-6 are for illustrative purposes only and form no part of our claimed design 

The ornamental design for a popcorn popper, as shown and described. 